// Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

#include "core/types.h"

namespace nnadapter {

/*
 * Fuse two mutually inverse operations into an identity transpose operation.
 *
 *        in
 *         |
 *      transpose -> perm1[0,2,3,1]
 *         |
 *      transpose -> perm2[0,3,1,2]
 *         |
 *        out
 *
 * After applied:
 *
 *        in
 *         |
 *      transpose -> perm3[0,1,2,3]
 *         |
 *        out
 *
 */

void FuseTransposeInverseTransposeIntoIdentityTranspose(core::Model *model);

}  // namespace nnadapter
